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1/4 Counterbore Screws
12-point Flange Screws, Counterbore Screws, Ferry Head Cap Screws or Counterbore Screws, feature a 12 point head and a flanged bearing surface. Usually fully threaded, the 12-point design provides for higher tightening torque, without edge rounding and they are covered under ASME Standard B18.2.1
110 results, (click on any line for more information)
| Search Results Sponsored by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit www.metric-threaded.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-28 x 1/2 | 1/4-28 x 1/2 alloy zinc 12 point flange bolts | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/4 | 12 pt flange screw alloy | 350 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1/2 | 12 pt flange screw alloy | 1,000 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 5/8 | 12 pt flange screw alloy | 500 |
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| Buy Counterbore Screws from one of our FCH Network Partners | ||||||||
| Zoro Tools Inc. | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 1/4-20 x 1.000 12pt ss bolts |
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| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4 | 1/4 counterbore # csc55655 b18.2.1 | 1 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-28 x 1/2 | 1/4-28 x 1/2 alloy zinc 12 point flange bolts | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/4 | 12 pt flange screw alloy | 350 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1/2 | 12 pt flange screw alloy | 1,000 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 5/8 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 3/4 | 12 pt flange screw alloy | 1,000 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 7/8 | 12 pt flange screw alloy | 4,300 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 3/4 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 2 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/2 | 12 pt flange screw alloy | 560 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 12 pt. ctrbr screw alloy | 100 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12 pt. ctrbr screw alloy | 2 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 12 pt. ctrbr screw alloy | 18 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-28 x 3/4 | 1/4-28 x 3/4 alloy blk 12 pt flange screws | 428 |
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| Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 12-point fl/b Cr3+ 12-point fl/b | 1,600 |
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| Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 2 3/4 | 1/4-20 x 2 3/4 12 pt. fl/b w/nylok patch blue commercial patch 25C275BFBZNYL | 1,000 |
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| Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 12-point flange bolt alloy trivalent zinc 12-point flange bolt | 50 |
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| Century | FL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-289 x 7/8 | 1/4-289 x .875 12 point bolt | 21,470 |
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| Century | FL | 12 Point Flange Screw (CounterBore) | Steel | Cadmium | 1/4-28 x 7/8 | ms9915-12 | 12,739 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | fine 12-point fl/b b18.2.1 | 100 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 1/4 | fine 12-point fl/b b18.2.1 | 100 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 3/4 | fine 12-point fl/b | 31 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1/2 | fine 12-point fl/b | 25 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | coarse 12-point fl/b | 128 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | coarse 12-point fl/b | 1,980 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | coarse 12-point fl/b | 2,200 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | coarse 12-point fl/b | 110 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | coarse 12-point fl/b | 99 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 3/4 | coarse 12-point fl/b | 100 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | coarse 12-point fl/b | 2,500 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | fine 12-point fl/b | 2,450 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | fine 12-point fl/b | 1,795 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | fine 12-point fl/b | 1,550 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 5/8 | 1/4-28x5/8 fine 12-point flange screw alloy pln b18.2.1 | 75 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 7/8 | fine 12-point fl/b b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 25 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 12 point cap screw alloy b18.2.1 | 25 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 12 point cap screw alloy b18.2.1 | 104 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 1/4-28 x 1 1/4 12 point cap screw alloy b18.2.1 | 75 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 1/4-28 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12 point cap screw alloy b18.2.1 | 175 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12 point cap screw alloy b18.2.1 | 25 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | 1/4-28 x 3/4 12 point cap screw alloy b18.2.1 | 200 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | nf ferry c/s | 71 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 12 point cap screw alloy b18.2.1 | 25 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 1/4-20 x 1 ferry hd c/s blk | 1,524 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | nc ferry c/s | 88 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | nf ferry c/s | 100 |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 12 pt counterbore screw | 75 |
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| ACF | CA | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 s/s 12 point counterbore screw | 98 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 12 pt countr-bor zinc 1/4-20 x 1/2 | 200 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 12 pt countr-bor plain 1/4-20 x 2 1/2 | 105 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 3 | 12 pt countr-bor zinc 1/4-20 x 3 | 600 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 12 pt countr-bor plain 1/4-20 x 3/4 | 190 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 12 pt countr-bor plain 1/4-20 x 1 1/2 | 235 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 12 pt countr-bor plain 1/4-20 x 1 1/4 | 110 |
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| Century | FL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4 | ms21250-04004 | 400 |
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| Olander | CA | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12-pt bolt sst rohs si | 8 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | fine 12-point fl/b | 98 |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-20 x 3/4 | 1/4(20) x .75 12point flange screw 17-4ph h1150 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-28 x 1 1/4 | 1/4(28) x 1.25 flange 12-point screw nitronic 60 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-28 x 1 1/4 | 1/4(28) x 1.25 flange 12-point screw nitronic 60 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-20 x 3/4 | 1/4(20) x .75 12point flange screw 17-4ph h1150 b18.2.1 usa | inquire |
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| OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | 12 pt fl/b | 93 |
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| OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 12 pt fl/b | 46 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 12pt flange sc-cntrbore ejot | 50 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 1 1/4 | 12-pt -chrome ejot | 15 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 1 1/2 | 12-pt -chrome ejot | 11 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 5/8 | 12pt chrome ejot | 17 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 1 | 12-pt -chrome ejot | 14 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 12pt fl/b counterbore | 47 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 1 3/4 | 12-pt -chrome ejot | 14 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 2 | 12-pt -chrome ejot | 10 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 2 1/4 | 12-pt -chrome ejot | 19 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3 | 1/4-28 x 3 12pt flange sc-counterbore | 90 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | 1/4-28 x 2 12pt flange sc-counterbore | 87 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 1/4-20 x 7/8 12-pt screw-chrome | 3 |
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| THRDFAST | OK | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 12 pt counterbore screw b18.2.1 | 25 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 3/4 | hex c bore 12-pt bolt black with 360 degree blue nylock patch | 148 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/4-28 x 1/2 | 12pt bolt gr8 | 1 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 12 point counterbore screw | 487 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | 12 point counterbore screw | 2951 |
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| GUIDON | NJ | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/4-20 x 1 | 500 |
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| MFS | KS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 31/4 | 12-pt bolt | 14 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 coarse 12-point flange screw alloy pln unc | 100 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | fine 12-point fl/b | 100 |
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| Komar | IL | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | 12 pt.counterbore scr zc Cr3+ | 230 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2-1/2 12 point flange bolt plain b18.2.1 | 149 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 countr-bor alloy pack 450 per poly bag | 8,900 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 countr-bor alloy | 3,675 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4 | 1/4 pilot 5/32 shank counterbore | 15 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | nc 12 pt fl/b pl | 110 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | nc 12 pt fl/b pl | 99 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 3/4 | nc 12 pt fl/b pl | 100 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 | nc 12 pt fl/b pl | 50 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | nc 12 pt fl/b pl | 10 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | nc 12 pt fl/b pl | 89 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | nc 12 pt fl/b pl | 49 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | nf 12 pt fl/b pl | 32 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | nf 12 pt fl/b pl | 75 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | nf 12 pt fl/b pl | 71 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | nf 12 pt fl/b pl | 63 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | nf 12 pt fl/b pl | 96 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | SAE 12-pt counterbore screw | 948 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | SAE 12-pt counterbore screw | 3615 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 12-pt counterbore screw | 394 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 12-pt counterbore screw | 588 |
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